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Airaid 800-870 SynthaFlow Direct Fit Air Filter
Airaid 800-870 SynthaFlow Direct Fit  Air Filter

Airaid 800-870 SynthaFlow Direct Fit Air Filter

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Airaid 800-870 SynthaFlow Direct Fit  Air Filter
Airaid 800-870 SynthaFlow Direct Fit Air Filter
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Part # 178800870
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Important Messages:

  • This product is discontinued.
  • This item ships directly from the manufacturer. It may take an additional business days for AirAid to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
  • This item 178800870 is made to order. It will be shipped from our warehouse when it is produced.



This AIRAID Direct-Fit Replacement Filter is a drop-in replacement for your vehicle’s stock paper air filter that is designed to improve horsepower and acceleration. The air filter is constructed with multiple layers of filter media and provides significant improvements in air flow and filtration compared to typical replacement filters with the added benefit of being washable and reusable. Why throw money away on a paper filter each time the old one gets dirty when you can upgrade to a serviceable AIRAID Direct-Fit Replacement Filter for often less than the cost of two stock replacements? Installation takes only minutes and is as simple as replacing your stock filter.


1979-1985 Buick Riviera 231-3.8L
1978-1986 Buick LeSabre 231-3.8L
1978-1987 Buick Regal 231-3.8L
1979-1988 Buick Century 231-3.8L
1987-1988 Oldsmobile Cutlass Cruiser 3.8L
1984-1988 Oldsmobile Cutlass Ciera 3.8L
1985 Buick Electra 3.8L
1985 Oldsmobile Ninety-Eight 3.8L
1989 Pontiac Firebird 3.8L
1987-1988 Cadillac Allante 4.1L
Some parts are not legal for use in California or other states with similar laws/regulations

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